Overview: Native Android app for asset and
maintenance workflows, replacing manual logs with structured requests,
inspection records, and backend integration. Designed for reliability
and ease of use in field operations.
Business Impact: Reduces manual errors, improves maintenance
tracking, and streamlines operations
Role: Developed core features, integrated backend APIs, and
optimized for field usability
Problem
Manual maintenance logs led to data loss and inefficiency.
Field teams lacked a unified system for tracking requests and
inspections.
Difficulty integrating with backend systems for reporting and
analytics.
Limited offline support for remote sites.
Solution
Built an offline-first Android app for structured maintenance
workflows.
Automated inspection and request tracking.
Integrated backend APIs for centralized data management.
Optimized UI for field usability and reliability.
Results
Improved maintenance tracking and reduced errors.
Streamlined reporting and analytics for management.
Positive feedback from field teams.
Scalable solution for future enhancements.
Key Technologies: Kotlin, REST APIs, Offline Sync
Highlights: Offline-first workflows, backend
integration, and field-optimized UI.
HRM Platform Case Study
Overview: Unified internal platform combining mobile
and web experiences for employees to access dashboards, requests, and
status tracking across departments. The platform features gamification
elements, allowing users to sharpen skills through missions,
assignments, and performance challenges. A leaderboard system
encourages active participation and engagement across the
organization.
Business Impact: Centralizes employee workflows, boosts engagement
through gamified missions and leaderboards, and streamlines internal
processes
Role: Led frontend and mobile development, implemented gamification
and leaderboard, and integrated dashboards
Problem
Disparate systems for employee requests and tracking.
Lack of engagement and visibility across departments.
Manual processes for profiling and status updates.
Limited access to dashboards and analytics.
Solution
Developed a unified platform for mobile and web.
Implemented gamification to boost engagement.
Centralized dashboards and status tracking.
Automated profiling and request workflows.
Results
Improved employee engagement and workflow efficiency.
Centralized access to dashboards and analytics.
Streamlined internal processes and reduced manual work.
Scalable for future features and integrations.
Key Technologies: Flutter, Vue, REST APIs
Highlights: Cross-platform architecture,
gamification, and centralized dashboards.
Safety & Inspection Case Study
Overview: Mobile app for inspections and operational
checks, enabling operators to use guided checklists with photos and
evidence to maintain compliance and safety. Designed for reliability
and ease of use in the field.
Highlights: Guided checklists, photo evidence, and
field-optimized reliability.
Asset Management Case Study
Overview: A smart mobile asset maintenance platform
for mining operations, enabling field teams to monitor equipment
health, log inspections, and handle breakdowns directly from their
phones. The solution replaces manual spreadsheets and paper-based
processes with a streamlined, digital workflow.
Multi-platform: Flutter
Features: Offline-first, site maintenance, inspection, reporting
Business Impact: Improves equipment reliability, reduces downtime,
and enhances operational efficiency
Role: Led mobile development, designed inspection flows, and
integrated backend systems
Problem
Manual asset maintenance tracking led to missed inspections and
delayed repairs.
Field teams relied on paper logs, increasing the risk of errors and
lost data.
Lack of real-time visibility into equipment health and maintenance
status.
Difficulty coordinating maintenance activities across multiple
sites.
Solution
Developed a mobile platform for real-time asset monitoring and
maintenance logging.
Enabled offline-first workflows for remote mining sites.
Automated inspection scheduling and reporting.
Integrated with backend systems for centralized data management.
Provided actionable insights to supervisors and management.
Results
Reduced equipment downtime and improved reliability.
Streamlined maintenance processes and reduced paperwork.
Enhanced visibility into asset health and maintenance activities.
Positive feedback from field teams and management.
Scalable solution supporting future expansion and new features.
Highlights: Offline-first architecture, inspection
automation, and scalable design for mining operations.
Mobility / Rentals Case Study
Overview: A digital mobility platform enabling users
to search, book, and manage vehicle rentals and transport services
seamlessly. The app streamlines the process from discovery to booking,
providing a user-friendly experience for both customers and service
providers.
Multi-platform: Android (Kotlin)
Features: Real-time vehicle availability, booking management,
payment integration, and user profiles
Business Impact: Simplifies access to mobility services, increases
operational efficiency, and enhances customer satisfaction
Role: Led mobile development, implemented booking flows, and
integrated backend APIs
Problem
Manual processes for vehicle rental and transport services led to
inefficiencies and slow response times.
Customers had difficulty finding available vehicles quickly and
easily.
Providers struggled to manage bookings, payments, and inventory
without a centralized system.
Poor user experience due to reliance on phone calls and in-person
visits.
Solution
Developed a digital platform with real-time vehicle availability and
online booking.
Integrated payment gateways for seamless transactions.
Enabled users to search, book, and pay for rentals directly from
their phones.
Provided providers with tools to efficiently manage inventory and
bookings.
Implemented user profiles for personalized experiences and
streamlined management.
Results
Increased customer satisfaction and positive feedback.
Reduced booking times and manual errors.
Improved operational efficiency for service providers.
Significant growth in completed bookings and platform usage.
Scalable architecture supports future expansion and new features.
Key Technologies: Kotlin, REST APIs, Payment Gateway,
Google Maps SDK
Highlights: Offline support, push notifications, and
scalable architecture for future expansion.
HRM Internal Portal Case Study
Overview: Internal portal for employees and
supervisors, connecting Flutter-based apps with .NET backend to handle
requests, approvals, and internal communication. Designed for
efficient HR and operations workflows.
Business Impact: Streamlines HR processes, improves communication,
and centralizes KPI management
Role: Developed mobile and backend integration, designed approval
flows
Problem
Manual HR and operations processes led to delays and errors.
Lack of centralized system for requests and approvals.
Difficulty tracking KPIs and internal communications.
Solution
Developed a mobile portal integrated with .NET backend.
Automated request and approval workflows.
Centralized KPI tracking and internal communication.
Results
Improved HR and operations efficiency.
Reduced manual errors and delays.
Centralized KPI and communication management.
Key Technologies: Flutter, .NET, REST APIs
Highlights: Automated workflows, KPI tracking, and
internal communication.
Sales & Marketing Case Study
Overview: Mobile app supporting sales teams with CRM,
reporting, and gamified missions tied to real KPIs. Designed to boost
sales performance and engagement.
Highlights: Gamified missions, CRM, and KPI
analytics.
Internal Ticketing Case Study
Overview: Operational app for internal teams and
ticketing, centralizing requests, incidents, and status tracking in
one app. Designed for efficient internal operations.
Highlights: Centralized ticketing, incident tracking,
and automated workflows.
Parking Discovery Case Study
Overview: Parking discovery and availability app,
helping users quickly find and navigate to available parking spots.
Designed for consumer convenience and real-time navigation.
Highlights: Real-time parking discovery, payment, and
navigation.
Social Mobility Platform Case Study
Overview: Mobile platform for organizing and sharing
rides, enabling safe, affordable, and sustainable travel. Features
real-time route matching, trip scheduling, and community engagement.
Highlights: Community features, sustainability, and
real-time ride matching.
Warehouse & Stock Management Case Study
Overview: Web platform for managing warehouse
inventory, stock, and sales dashboards. Enables tracking of goods,
stock levels, and sales performance with real-time dashboards and
reporting tools.
Business Impact: Improves inventory accuracy, streamlines sales
tracking, and enhances reporting
Role: Developed dashboard, reporting, and inventory management
features
Problem
Manual inventory and sales tracking led to errors and delays.
Lack of real-time dashboards and reporting tools.
Difficulty managing stock levels and sales performance.
Solution
Developed a web platform for real-time inventory and sales tracking.
Automated reporting and dashboard features.
Enabled accurate stock management and performance insights.
Results
Improved inventory accuracy and sales tracking.
Streamlined reporting and dashboard management.
Positive feedback from warehouse and sales teams.
Key Technologies: Next.js, Flutter, REST APIs
Highlights: Real-time dashboards, reporting, and
inventory management.
JEKATE Running Series 2025 – Event Case Study
Overview: JEKATE Running Series is a city-wide
running event in Jakarta, promoting healthy living, sustainability,
and clean water awareness. The 2025 Kick-off Run offers 5K & 10K
categories, exclusive race packs, and a unique event experience across
five Jakarta cities, leading up to a full series in 2026.
Event Type: City running event (5K & 10K)
Purpose: Promote health, sustainability, and water preservation
Special: Kick-off for a 5-city series, with collectible puzzle
medals in 2026
Role: Developed event website, registration flow, and participant
information modules
Problem
Lack of large-scale, purpose-driven running events in Jakarta.
Limited public awareness of sustainability and water issues.
Need for a modern, engaging event platform for runners and the
community.
Solution
Launched a city-wide running event with a sustainability mission.
Created a digital platform for event info, registration, and race
pack details.
Designed engaging content: race journey, prizes, FAQs, and event
highlights.
Results
High participant engagement and strong early registration numbers.
Positive feedback on event organization and digital experience.
Increased awareness of Jakarta’s sustainability and clean water
mission.
Key Features:
5K & 10K race categories, open to all
Exclusive race pack: jersey, string bag, bib, finisher medal
Big prizes for top runners, door prizes, and special costume awards
Race day journey: warm-up, flag-off, main stage celebration, podium
ceremony
Comprehensive event info, FAQs, and registration via website
Highlights: First-of-its-kind running series in
Jakarta, sustainability focus, collectible medals, and a vibrant
community event atmosphere.
Overview: Platform ujian berbasis komputer (CBT)
untuk SMA, terdiri dari website utama untuk siswa dan CMS berbasis
WordPress untuk guru/admin. Memudahkan manajemen soal, peserta, dan
hasil ujian secara digital.
Platform: WordPress (CMS), Web (Frontend)
Fitur: Manajemen soal, peserta, hasil ujian, import/export data,
keamanan ujian, responsif untuk mobile & desktop
Business Impact: Mempercepat proses ujian, mengurangi penggunaan
kertas, dan memudahkan analisis hasil ujian
Role: Pengembangan CMS, integrasi web ujian, optimasi UX untuk guru
dan siswa
Problem
Proses ujian manual memakan waktu dan rentan kesalahan input.
Guru kesulitan mengelola soal dan peserta secara efisien.
Analisis hasil ujian sulit dilakukan secara cepat.
Kurangnya sistem ujian online yang mudah digunakan dan aman.
Solution
Membangun CMS berbasis WordPress untuk manajemen soal dan peserta.
Integrasi web ujian online yang responsif dan user-friendly untuk
siswa.
Fitur import/export data, analisis hasil ujian otomatis, dan
keamanan ujian.
Optimasi UX untuk kemudahan penggunaan oleh guru dan siswa.
Results
Proses ujian lebih cepat dan efisien.
Guru dapat mengelola soal dan peserta dengan mudah.
Hasil ujian langsung dapat dianalisis dan diunduh.
Pengalaman ujian online yang aman dan nyaman untuk siswa.
Key Technologies: WordPress, PHP, MySQL, Web Frontend
(HTML, CSS, JS)
Highlights: CMS WordPress, web ujian online,
import/export data, analisis hasil ujian, keamanan ujian.
Dicoding Indonesia – Instructor
Period: Jul 2024 – Present · Jakarta
Developed hands-on curriculum for real-world projects.
Mentored 500+ students in Flutter, Kotlin, and web tech.
Created interactive learning modules and assessments.
Helped students build portfolios dan mempersiapkan karir di bidang
teknologi.
Helped students build portfolios and prepare for tech careers.
Delivered guest lectures and workshops at universities.
Focused on practical mobile app development skills.
Collaborated with academic and industry partners.
Introduced students to Flutter and Kotlin best practices.
Supported national digital talent initiatives.
Highlights: University-industry collaboration,
hands-on workshops, national impact.
Bangkit Academy – Kotlin Instructor & Advisor
Period: Jun 2023 – Dec 2024 · Google, GoTo,
Tokopedia, Traveloka
Guided students in Android/Kotlin learning paths.
Advised on capstone projects and career development.
Supported by leading tech companies in Indonesia.
Helped students prepare for Google Associate Android Developer
certification.
Contributed to curriculum and mentoring programs.
Highlights: Industry-backed program, career
mentoring, certification support.
Co-Founder – Grenius Generasi Jenius
Period: 2013 – 2020 · Telkom University
Overview: Grenius Generasi Jenius is a company we
founded for business and research purposes at Telkom University. The
company focused on education and food innovation for students and the
campus community.
Generasi Mengajar: Tutoring service for Telkom
University students. Successfully opened several classes covering
both hard skills and soft skills.
Nasi Lava: Rice balls designed for easy consumption
anywhere. Achieved daily sales of 200–350 portions in the Telkom
University area.
Highlights: Campus entrepreneurship, education
innovation, and food product success.
Data Mining Center
Period: 2013 – 2018
Role: Member
Joined the Data Mining Center, an informatics lab focused on data
mining topics.
Participated in data mining competitions.
Discussed and learned about various data mining methods and
applications.
Highlights: Data mining competitions, collaborative
research, and hands-on learning in informatics.
MUHAMMAD ABDU AR RAHMAN
Full-Stack Developer · Mobile
Muhammad Abdu Ar Rahman
MOBILE ENGINEERING · FLUTTER · KOTLIN · WEB
I help companies turn manual workflows into reliable mobile
& web apps.
With 7+ years building systems for mining, enterprise, events,
sales, mobility, agriculture, internal platforms and digital
services, I design, develop, and ship production-ready
applications using
Flutter, Kotlin, Swift, React Native, Java and modern web
frameworks.
If you’re looking for someone who can
own the product end-to-end — from
architecture, implementation, to release and iteration — we’ll
work well together.
Muhammad Abdu Ar RahmanMobile / Web & Full Stack Engineer
Available for remote work
I've shipped applications used daily by field operators,
supervisors, and management teams — from mining sites to
headquarters. I focus on clean architecture, smooth UX, and
long-term maintainability.
Ideal for startups, enterprises, and Upwork clients who need
someone that can think like an engineer and a product owner at the
same time.
📱 Mobile App Development
I build high-quality Android & iOS apps that look great and
stay stable in production.
Flutter / React Native (multi-platform), Kotlin, Java, Swift
Offline-first apps with background sync
CI/CD ready builds & store deployment support
Refactor or rescue existing codebases
🌐 Web Apps & Dashboards
From landing pages to internal dashboards and portals.
Next.js, .NET, React, Vue, modern JavaScript/TypeScript
Admin dashboards & internal tools for operations
Authentication, role-based access, data visualization
Responsive, mobile-friendly UI
🧠 AI & Backend
Integration
I connect your product to APIs, AI models, and existing systems.
REST APIs, microservices, .NET / Node.js / Python
LLM / AI integration (chatbots, assistants, automation)
System design for scalable internal platforms
Performance tuning & troubleshooting
🚀 End-to-End Delivery &
Consulting
Perfect if you want someone to “own” the technical side of a
product.
Architecture & technical decision-making
CI/CD with Azure / GitHub Actions
Mentoring internal devs & code review
Long-term maintenance & feature iteration
Experience
Professional
I’ve worked across mining, enterprise, events, sales, mobility,
agriculture, internal platforms, and digital services — always
with a strong focus on reliability, UX, and measurable business
impact.
Mobile Application Developer
PT Bukit Teknologi Digital · Jakarta · Mar 2023 – Present
Computer Based Test (CBT) platform untuk SMA, terdiri dari
website utama dan CMS berbasis WordPress untuk manajemen soal,
peserta, dan hasil ujian.
Guru dan admin dapat membuat, mengedit, dan mengelola soal
ujian langsung dari CMS. Siswa mengerjakan ujian secara online
melalui web yang responsif dan aman.
Delivered guest lectures and workshops at universities. Focused
on practical mobile app development skills. Collaborated with
academic and industry partners.
Guided students in Android/Kotlin learning paths. Advised on
capstone projects and career development. Supported by leading
tech companies in Indonesia.
